Finding the Fourth Proportional to 4,028,029.60, 6,049,042.80 and 2,138,461.60
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Solution
The fourth proportional to 4,028,029.60, 6,049,042.80 and 2,138,461.60 is: 3,211,407.82
Step by Step Solution
- Step 1: Write the proportion equation
4,028,029.60 : 6,049,042.80 = 2,138,461.60 : x - Step 2: Convert to fraction form
4,028,029.60/6,049,042.80 = 2,138,461.60/x - Step 3: Cross multiply
4,028,029.60x = 6,049,042.80 × 2,138,461.60 - Step 4: Simplify right side
4,028,029.60x = 12,935,645,744,556.48 - Step 5: Solve for x
x = 12,935,645,744,556.48/4,028,029.60 - Step 6: Final answer
x = 3,211,407.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.